String worldcheckURL= “thomsonreuters API URL” ;
URL url = new URL(worldcheckURL);
HttpsURLConnection connection = (HttpsURLConnection) url.openConnection();
X509Certificate[] certs = (X509Certificate[]) connection.getServerCertificates();
X509Certificate certificate = certs[0];
certificate.getVersion());
certificate.getNotAfter())
certificate.checkValidity();